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    • 2. 发明申请
    • ARCHITECTURES AND CRITERIA FOR THE DESIGN OF HIGH EFFICIENCY ORGANIC PHOTOVOLTAIC CELLS
    • 高效光伏电池设计的结构和标准
    • US20130255758A1
    • 2013-10-03
    • US11486163
    • 2006-07-14
    • Barry RandStephen R. ForrestDiana Pendergrast Burk
    • Barry RandStephen R. ForrestDiana Pendergrast Burk
    • H01L51/42
    • H01L51/4246B82Y10/00H01L27/302H01L51/0046H01L51/0071H01L51/0072H01L51/0078H01L51/4253Y02E10/549
    • An organic photovoltaic cell includes an anode and a cathode, and a plurality of organic semiconductor layers between the anode and the cathode. At least one of the anode and the cathode is transparent. Each two adjacent layers of the plurality of organic semiconductor layers are in direct contact. The plurality of organic semiconductor layers includes an intermediate layer consisting essentially of a photoconductive material, and two sets of at least three layers. A first set of at least three layers is between the intermediate layer and the anode. Each layer of the first set consists essentially of a different organic semiconductor material having a higher LUMO and a higher HOMO, relative to the material of an adjacent layer of the plurality of organic semiconductor layers closer to the cathode. A second set of at least three layers is between the intermediate layer and the cathode. Each layer of the second set consists essentially of a different organic semiconductor material having a lower LUMO and a lower HOMO, relative to the material of an adjacent layer of the plurality of organic semiconductor layers closer to the anode.
    • 有机光伏电池包括阳极和阴极,以及在阳极和阴极之间的多个有机半导体层。 阳极和阴极中的至少一个是透明的。 多个有机半导体层中的每两相邻层直接接触。 多个有机半导体层包括基本上由光电导材料组成的中间层和两组至少三层。 中间层和阳极之间至少有三层的第一组。 相对于更靠近阴极的多个有机半导体层的相邻层的材料,第一组的每个层基本上由具有较高LUMO和较高HOMO的不同有机半导体材料组成。 第二组至少三层在中间层和阴极之间。 相对于更靠近阳极的多个有机半导体层的相邻层的材料,第二组的每个层基本上由具有较低LUMO和较低HOMO的不同有机半导体材料组成。
    • 4. 发明申请
    • Thin film organic position sensitive detectors
    • 薄膜有机位置敏感探测器
    • US20070176165A1
    • 2007-08-02
    • US11219573
    • 2005-09-01
    • Stephen ForrestBarry RandMichael Lange
    • Stephen ForrestBarry RandMichael Lange
    • H01L29/08H01L27/14H01L31/0232
    • H01L51/4246G01S7/4816H01L27/305H01L31/101H01L51/0037H01L51/0053H01L51/0062H01L51/0078H01L2251/308Y02E10/549
    • The present invention is directed to organic photosensitive optoelectronic devices and methods of use for determining the position of a light source. Provided is an organic position sensitive detector (OPSD) comprising: a first electrode, which is resistive and may be either an anode or a cathode; a first contact in electrical contact with the first electrode; a second contact in electrical contact with the first electrode; a second electrode disposed near the first electrode; a donor semiconductive organic layer disposed between the first electrode and the second electrode; and an acceptor semiconductive organic layer disposed between the first electrode and the second electrode and adjacent to the donor semiconductive organic layer. A hetero-junction is located between the donor layer and the acceptor layer, and at least one of the donor layer and the acceptor layer is light absorbing. The OPSD has an optical beam spatial resolution of 20 μm and measurements are insensitive to fluctuations in incident light beam intensity and background illumination. The response of the OPSD shows high linearity, low positional error, high spatial resolution, and good beam tracking velocity. The OPSDs exhibited linearities and positional uncertainties of
    • 本发明涉及有机光敏光电器件和用于确定光源位置的方法。 提供了一种有机位置敏感检测器(OPSD),其包括:第一电极,其是电阻性的并且可以是阳极或阴极; 与所述第一电极电接触的第一接触; 与所述第一电极电接触的第二触点; 设置在第一电极附近的第二电极; 设置在所述第一电极和所述第二电极之间的供体半导体有机层; 以及设置在第一电极和第二电极之间并且与施主半导体有机层相邻的受主半导体有机层。 异质结位于供体层和受主层之间,供体层和受体层中的至少一个是光吸收的。 OPSD的光束空间分辨率为20um,测量对入射光束强度和背景照明的波动不敏感。 OPSD的响应显示出高线性度,低位置误差,高空间分辨率和良好的光束跟踪速度。 OPSD显示线性和位置不确定度<1%。
    • 6. 发明申请
    • High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions
    • 采用杂化混合平面异质结的高效有机光伏电池
    • US20050224905A1
    • 2005-10-13
    • US10822774
    • 2004-04-13
    • Stephen ForrestSoichi UchidaBarry RandJiangeng Xue
    • Stephen ForrestSoichi UchidaBarry RandJiangeng Xue
    • H01L21/00H01L31/06H01L51/00H01L51/42
    • B82Y10/00H01L51/0046H01L51/0078H01L51/4246H01L51/4253H01L2251/308Y02E10/549
    • A device is provided, having a first electrode, a second electrode, and a photoactive region disposed between the first electrode and the second electrode. The photoactive region includes a first organic layer comprising a mixture of an organic acceptor material and an organic donor material, wherein the first organic layer has a thickness not greater than 0.8 characteristic transport lengths, and a second organic layer in direct contact with the first organic layer, wherein: the second organic layer comprises an unmixed layer of the organic acceptor material or the organic donor material of the first organic layer, and the second organic layer has a thickness not less than about 0.1 optical absorption lengths. Preferably, the first organic layer has a thickness not greater than 0.3 characteristic transport lengths. Preferably, the second organic layer has a thickness of not less than about 0.2 optical absorption lengths. Embodiments of the invention can be capable of power efficiencies of 2% or greater, and preferably 5% or greater.
    • 提供一种具有第一电极,第二电极和设置在第一电极和第二电极之间的光活性区的装置。 光活性区域包括包含有机受体材料和有机供体材料的混合物的第一有机层,其中第一有机层具有不大于0.8特征传输长度的厚度,以及与第一有机层直接接触的第二有机层 层,其中:第二有机层包含有机受体材料的未混合层或第一有机层的有机供体材料,第二有机层具有不小于约0.1光学吸收长度的厚度。 优选地,第一有机层具有不大于0.3特征输送长度的厚度。 优选地,第二有机层具有不小于约0.2光学吸收长度的厚度。 本发明的实施例能够实现2%以上,优选5%以上的功率效率。